cyclic universe | Isaac Arthur

Before the Big Bang – What Came Before Time?

Join us as we journey beyond the birth of the universe to unravel the mysteries of what might have preceded the Big Bang—and whether time itself had a beginning. Watch my exclusive video Mass Drivers on the Moon:...

Could We See a Second Big Bang?

From quantum tunneling to cosmic inflation, we journey through the theories behind the Big Bang and beyond — and ask the big question: could another Big Bang be in our cosmic future? Visit our Website: http://www.isaacarthur.net Join Nebula:...